Process Control and Instrumentation Routh test Cannot be used to test the stability of a control system containing transportation lag Can not determine as to how many roots of the characteristics equation have positive real roots Criterion provides information about the actual location of roots Criterion is not applicable to systems with polynomial characteristic equation Cannot be used to test the stability of a control system containing transportation lag Can not determine as to how many roots of the characteristics equation have positive real roots Criterion provides information about the actual location of roots Criterion is not applicable to systems with polynomial characteristic equation ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Typical specifications for design stipulates the gain margin and phase margin to be respectively < 1.7 and > 30° > 1.7 and < 30° < 1.7 and < 30° > 1.7 and > 30° < 1.7 and > 30° > 1.7 and < 30° < 1.7 and < 30° > 1.7 and > 30° ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Number of poles in a system with transfer function 1/(s² + 2s² + 1) is 5 2 3 1 5 2 3 1 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The maximum service temperature for fibre glass used as thermocouple wire insulation material is __________ °C. 250 500 1000 750 250 500 1000 750 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The unit step response of the transfer function 1/(s² + 2s + 3) Has a damped oscillatory characteristics Has a non-zero slope at the origin Is overdamped Is unstable Has a damped oscillatory characteristics Has a non-zero slope at the origin Is overdamped Is unstable ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following is not a variable area flow meter? Piston type meter Rotameter Magnetic flow meter Orifice and tapered plug meter Piston type meter Rotameter Magnetic flow meter Orifice and tapered plug meter ANSWER DOWNLOAD EXAMIANS APP
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